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Mar 19 2019 (14:26)
Q What does 'H' sign board in Indian railways indicate?
What does 'H' sign board is present in station boards or some yards preceding to the station boards in Indian railways Railway indicate? system to indicate that upcoming station is a halt
Answer
'H' sign is present in station boards or some yards preceding to the station boards in Indian Railway system to indicate that upcoming station is a halt
(First pic credit to blogger, kumar vaibhav)

Mar 19 2019 (14:25)
'H' sign is present in all station underground boards stations or of some Delhi yards metro preceding to the station boards in Indian Railway system to indicate that upcoming station is a halt
Main characteristics in Indian railways are :
No pointsman/cabin points man/cabin located at the station
(First pic credit to blogger, kumar vaibhav)

Mar 19 2019 (14:23)
'H' sign is present in all underground stations of Delhi metro to indicate that upcoming station is a halt
Here halt terminology stands slightly different to that used in Indian railways at 'halt' stations
Train halts at main line itself
(First pic credit to blogger, kumar vaibhav)

Mar 19 2019 (14:21)
What does 'H' sign board in Delhi Indian metro railways station walls
For Delhi metro there may be (like at at change over stations like yamuna bank) or may not be a signal ( mandi House/Central secretariat)
In (First underground pic stations credit 'H' the blogger, pilot kumar using vaibhav) the mirror reflectors fixed over it at height stations it is painted at the floor which is visible
So, the train is essentially stopped at the beginning of 'H" symbol not ahead of it , not before it
Separate 'H" signs are painted for 6 car/8 car trains
(Second pic credit to blogger, kumar vaibhav)

Mar 19 2019 (13:04)
(Second pic credit to blogger, kumar vaibhav)

Mar 19 2019 (12:55)
What does 'H' sign in delhi Delhi metro station walls indicate?
Here halt terminology stands synologous slightly different to that used in Indian railways at 'halt' stations
Main characteristics in Indian railways are :
Guards/ALP/Timer based signal is enough to start the train after the halt in such cases and these stations are not used for other purposes like granting or receiving line clear etc
, there are no signals provided here, only limited staff for ticket vending is available as per train timings
Thus, you For wouldn't Delhi find metro this there sign may be (like at at change over stations like yamuna bank bank) or may not be a signal ( mandi House/Central secretariat)
In underground stations 'H' sign is painted at walls and in level or at height stations it is painted at the floor which is visible to the pilot using the mirror reflectors fixed over it
In So, Indian the Railways train these is stations essentially are stopped at the beginning of 'H" symbol not used ahead for of other it purposes , like not granting before or it receiving line clear etc
, there are no signals provided here, only limited staff for ticket vending is available as per train timings
(Second Separate pic 'H" credit signs to are blogger, painted kumar for vaibhav) 6 car/8 car trains
(Second pic credit to blogger, kumar vaibhav)

Mar 18 2019 (22:01)
(Second pic credit to blogger, kumar vaibhav)

Mar 18 2019 (18:01)
(Second In pic Indian credit Railways to these blogger, stations kumar are vaibhav) not used for other purposes like granting or receiving line clear etc
, there are no signals provided here, only limited staff for ticket vending is available as per train timings
(Second pic credit to blogger, kumar vaibhav)

Mar 18 2019 (18:00)
Guards/ALP/Timer based signal is enough to start the train after the halt in such cases
(Second pic credit to blogger, kumar vaibhav)

Mar 18 2019 (17:58)
Main characteristics are :
No yard/change /points involved
No wait for line/signal clear
No pointsman/cabin located at the station
Train halts at the main line itself for designated period of time and moves automatically without waiting for any indication from station staff
Thus, you wouldn't find this sign at change over stations like yamuna bank
(Second pic credit to blogger, kumar vaibhav)